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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef WEBKIT_GLUE_PLUGINS_PEPPER_SCROLLBAR_H_
#define WEBKIT_GLUE_PLUGINS_PEPPER_SCROLLBAR_H_
#include <vector>
#include "gfx/rect.h"
#include "third_party/ppapi/c/ppb_scrollbar.h"
#include "third_party/WebKit/WebKit/chromium/public/WebRect.h"
#include "third_party/WebKit/WebKit/chromium/public/WebScrollbarClient.h"
#include "webkit/glue/plugins/pepper_widget.h"
typedef struct _ppb_Scrollbar PPB_Scrollbar;
namespace pepper {
class PluginInstance;
class Scrollbar : public Widget, public WebKit::WebScrollbarClient {
public:
Scrollbar(PluginInstance* instance, bool vertical);
virtual ~Scrollbar();
// Returns a pointer to the interface implementing PPB_Scrollbar that is
// exposed to the plugin.
static const PPB_Scrollbar* GetInterface();
// Resource overrides.
Scrollbar* AsScrollbar() { return this; }
// PPB_Scrollbar implementation.
uint32_t GetValue();
void SetValue(uint32_t value);
void SetDocumentSize(uint32_t size);
void SetTickMarks(const PP_Rect* tick_marks, uint32_t count);
void ScrollBy(PP_ScrollBy unit, int32_t multiplier);
// PPB_Widget implementation.
virtual bool Paint(const PP_Rect* rect, ImageData* image);
virtual bool HandleEvent(const PP_Event* event);
virtual void SetLocationInternal(const PP_Rect* location);
private:
// WebKit::WebScrollbarClient implementation.
virtual void valueChanged(WebKit::WebScrollbar* scrollbar);
virtual void invalidateScrollbarRect(WebKit::WebScrollbar* scrollbar,
const WebKit::WebRect& rect);
virtual void getTickmarks(
WebKit::WebScrollbar* scrollbar,
WebKit::WebVector<WebKit::WebRect>* tick_marks) const;
void NotifyInvalidate();
gfx::Rect dirty_;
std::vector<WebKit::WebRect> tickmarks_;
scoped_ptr<WebKit::WebScrollbar> scrollbar_;
};
} // namespace pepper
#endif // WEBKIT_GLUE_PLUGINS_PEPPER_SCROLLBAR_H_
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